Add 42/54 and 12/63
42/54 + 12/63 is 61/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 63 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
42/54 = 42 × 7/54 × 7 = 294/378 - Likewise, for the 2nd fraction, since 63 × 6 = 378,
12/63 = 12 × 6/63 × 6 = 72/378 - Add the two like fractions:
294/378 + 72/378 = 294 + 72/378 = 366/378 - 366/378 simplified gives 61/63
- So, 42/54 + 12/63 = 61/63
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